Liquid inlet and outlet valve group kit made of new material

Abstract

The utility model discloses a liquid inlet and outlet valve group kit made of a new material, which belongs to the technical field of hydraulic equipment and comprises a liquid inlet valve component, a valve spring, a pressure spring, a liquid outlet valve component, a liquid outlet valve adapter and a buffer spring, the liquid outlet valve component is inserted into one end of the liquid outlet valve adapter, and the pressure spring is mounted at one end of the liquid outlet valve component. The liquid inlet valve assembly and the drain valve assembly are the same in structure, valve springs are installed in the drain valve assembly and the liquid inlet valve assembly, and a buffer spring is installed between the liquid inlet valve assembly and the drain valve adapter. The problems that in the prior art, due to the fact that a liquid inlet valve and a liquid outlet valve are lack of buffering components and valve sleeves are not unified, the service life is short, and the manufacturing cost is high are solved, the durability of a kit is effectively improved, and the cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic equipment technical field, concretely relates to a new material's liquid inlet and outlet valve group set spare. BACKGROUND

[0002] In the high pressure pump reciprocating motion process, the valve core and the valve seat carry out the opening and closing action constantly and rub with the valve sleeve. Because the valve core is frequently subjected to the scouring of fluid and rubs with the valve sleeve, the surface material will be gradually worn off. Because the valve core and the valve sleeve are metal materials, when the high pressure pump is used to transport liquid containing metal small particles, these particles will be mixed between the valve core and the valve seat, aggravate the wear degree and produce adsorption not serious conditions, reduce the service life and increase the cost, and when the liquid flows in the high pressure pump, cavitation may occur near the valve core due to local pressure change. In the pressure reduction area, the dissolved gas in the liquid forms bubbles, and when these bubbles flow with the liquid to the area with higher pressure, they will collapse rapidly. The instantaneous high pressure and high temperature generated by the collapse will impact the surface of the valve core, forming cavitation pits, making the surface of the valve core rough, and further affecting its sealing performance and normal working performance.

[0003] Therefore, how to provide a new material's liquid inlet and outlet valve group set spare to solve the defects of the above-mentioned liquid inlet and outlet valve is a technical problem to be solved by the person skilled in the art. CONTENT OF THE UTILITY MODEL

[0004] Therefore, the utility model provides a new material's liquid inlet and outlet valve group set spare to solve the problem of short service life and high manufacturing cost caused by the lack of buffer member in the liquid inlet and outlet valve and the non-uniformity of the valve sleeve in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] The utility model discloses a new material's liquid inlet and outlet valve group set spare, which comprises:

[0007] The drain valve adapter has a liquid outlet valve assembly inserted at one end;

[0008] The pressure spring is installed at one end of the liquid outlet valve assembly;

[0009] The liquid inlet valve assembly is the same structure as the liquid outlet valve assembly, and the liquid outlet valve assembly and the liquid inlet valve assembly are internally provided with a valve spring;

[0010] The buffer spring is installed between the liquid inlet valve assembly and the drain valve adapter.

[0011] In a possible implementation mode, the drain valve adapter comprises:

[0012] The column body is internally provided with a slot;

[0013] A flow guide hole is arranged in the column, and the flow guide hole is arranged below the insertion slot;

[0014] A limiting ring is arranged outside the column;

[0015] A plurality of mounting holes are arranged on the outer surface of the column.

[0016] In a possible implementation, the liquid discharge valve assembly comprises:

[0017] A connecting shell is provided with a column-shaped connecting block at the top, a pressure spring connecting slot is arranged on the surface of one end of the column-shaped connecting block, and a plurality of hole slots are arranged on the side wall of the connecting shell;

[0018] A valve seat is arranged in the bottom of the connecting shell;

[0019] A valve piece is drivingly connected in the valve seat, and the valve spring is arranged between the column-shaped connecting block and the valve piece.

[0020] In a possible implementation, a plurality of mounting slots are arranged on the outer side wall of the valve seat, and an O-ring is arranged in the mounting slot.

[0021] In a possible implementation, a rubber ring layer is arranged on the outer surface of the valve piece.

[0022] In a possible implementation, a circular groove is arranged in the column-shaped connecting block, the circular groove is arranged below the pressure spring connecting slot, and one end of the valve spring is arranged in the circular groove.

[0023] In a possible implementation, the drain valve adapter and the liquid inlet valve assembly are arranged in the valve shell, the liquid discharge valve assembly is arranged in the drain valve adapter, the liquid discharge valve assembly is arranged in the drain shell, and one end of the pressure spring is arranged in the drain shell.

[0024] In a possible implementation, the drain valve adapter, the liquid inlet valve assembly and the liquid discharge valve assembly are made of ABS resin material.

[0025] The utility model discloses a liquid inlet valve assembly and liquid outlet valve assembly adopt the same structure, unify the structure, make the processing more simple, and the pressure in two structures is same, can avoid because the size is not same and leads to the pressure of one side too big, makes that one end is impacted for a long time, leads to the damage to accelerate, effectively reduced production cost, and in order to match installation, will match the drainage valve adapter on the liquid outlet valve assembly, let it can adapt to various installation environment, and install buffer spring between the drainage valve adapter and liquid inlet valve assembly, this spring will limit the liquid inlet valve assembly and liquid outlet valve assembly in the installation position, and then prevent the liquid inlet valve assembly and liquid outlet valve assembly displacement, and the setting of pressure spring can reset the liquid outlet valve assembly after displacement, and the structure of the kit effectively improves the service life, and reduces the complexity and cost of production. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the embodiment of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description. Obviously, the drawing in the following description is only exemplary, and for those skilled in the art, other implementation drawings can be obtained without creative labor on the basis of the provided drawings.

[0027] The structure, proportion, size and the like shown in the specification are only used to cooperate with the content disclosed in the specification, for understanding and reading by those skilled in the art, and are not used to limit the limiting conditions that the utility model can be implemented, so they do not have the substantial meaning of technology, any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose that the utility model can produce, should still fall within the scope of the technical content disclosed by the utility model.

[0028] Figure 1 The utility model provides a new material's liquid inlet and outlet valve group kit solid drawing for the utility model;

[0029] Figure 2 The utility model provides a drainage valve adapter solid drawing for the utility model;

[0030] Figure 3 The utility model provides a liquid outlet valve assembly solid drawing for the utility model;

[0031] Figure 4 The utility model provides a valve seat solid drawing for the utility model;

[0032] Figure 5 The utility model provides a valve piece solid drawing for the utility model;

[0033] Figure 6 The utility model provides a column type connecting block solid drawing for the utility model;

[0034] Figure 7 The kit installation position section view is provided by the utility model;

[0035] In the drawing: liquid inlet valve assembly 1; valve spring 2; pressure spring 3; liquid outlet valve assembly 4; pressure spring connecting groove 41; valve seat 42; mounting groove 421; valve piece 43; rubber ring layer 431; connecting shell 44; column type connecting block 45; O ring 46; circular groove 47; drain valve adapter 5; flow guide hole 51; column body 52; limiting ring 53; mounting hole 54; insertion groove 55; buffer spring 6; drain shell 7; valve shell 8. DETAILED DESCRIPTION

[0036] The embodiments of the utility model will be described by specific examples below, and the person skilled in the art can easily understand other advantages and effects of the utility model from the content disclosed in the specification. Obviously, the described embodiments are part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0037] Please refer to Figures 1-7 A new material liquid inlet and outlet valve assembly kit disclosed by the utility model will be described, and the utility model is composed of six parts, such as Figure 1 Including liquid inlet valve assembly 1, valve spring 2, pressure spring 3, liquid outlet valve assembly 4, drain valve adapter 5 and buffer spring 6, the liquid outlet valve assembly 4 is inserted in one end of drain valve adapter 5, the pressure spring 3 is installed at one end of liquid outlet valve assembly 4, the liquid inlet valve assembly 1 is same in structure with liquid outlet valve assembly 4, the valve spring 2 is installed in liquid outlet valve assembly 4 and liquid inlet valve assembly 1, and the buffer spring 6 is installed between liquid inlet valve assembly 1 and drain valve adapter 5.

[0038] In use, the suitable drain valve adapter 5 and liquid inlet valve assembly 1 are selected according to the width of the hole groove in valve shell 8, then the liquid outlet valve assembly 4 is installed into drain valve adapter 5, then the pressure spring 3 is installed in the pressure spring connecting groove 41 at the end of liquid outlet valve assembly 4, then the buffer spring 6 is installed between liquid inlet valve assembly 1 and drain valve adapter 5, after the kit is assembled, the kit is installed in valve shell 8, then the round hole on drain shell 7 is aligned with liquid outlet valve assembly 4, the drain shell 7 is installed on valve shell 8, then the bolt is fixed between valve shell 8 and drain shell 7, and in the installation process, Figure 7As shown, the limiting ring at the opening end of the drainage shell 7 round hole will abut against the drainage valve adapter 5, and when the drainage valve adapter 5 is pushed into the mounting hole of the valve shell 8, the buffer spring 6 is compressed and generates elastic force, and through the buffer spring 6, the entire set can be well clamped in the mounting hole of the valve shell 8. During use of the set, the mounting hole of the valve shell 8 first becomes negative pressure, under the action of negative pressure, external pressure is applied to the valve disc 43 of the liquid inlet valve assembly 1, under the action of pressure difference, the external pressure will push the valve disc 43 to displace, so that the valve disc 43 leaves the valve seat 42, and the valve spring 2 is compressed, at this time the liquid will enter the mounting hole of the valve shell 8 along the valve seat 42 and the hole groove, and the liquid inlet operation is completed, when the liquid enters the mounting hole of the valve shell 8, the internal pressure is greater than the external pressure, at this time the liquid pressure cooperates with the valve spring 2 to push the valve disc 43 of the liquid inlet valve assembly 1 back to the original position, and under the action of liquid pressure, the valve disc 43 in the liquid outlet valve assembly 4 can be driven to move, the valve disc 43 leaves the valve seat 42, and the valve spring 2 is compressed, then the liquid in the mounting hole of the valve shell 8 flows through the drainage valve adapter 5 and the valve seat 42 in turn, and finally flows out from the hole groove, finally the liquid enters the round hole of the drainage shell 7, and finally the drainage is completed, when the drainage work is completed, the valve spring 2 overcomes the liquid pressure to push the valve disc 43 back to the valve seat 42, and the water plugging operation continues.

[0039] In a specific embodiment, as shown in Figure 2 The drainage valve adapter 5 includes a flow guide hole 51, a column body 52, a limiting ring 53, a mounting hole 54, and a insertion slot 55, the insertion slot 55 is opened in the inside of the column body 52, the flow guide hole 51 is opened in the column body 52, the flow guide hole 51 is arranged below the insertion slot 55, the limiting ring 53 is sleeved on the outside of the column body 52, and the mounting hole 54 is opened on the outer surface of the column body 52. The flow guide hole 51 is arranged for liquid flow, the limiting ring 53 is arranged for pushing the column body 52 into the mounting hole of the valve shell 8 when the drainage shell 7 is installed, the limiting ring 53 can limit the movement distance of the column body 52, and the limiting ring 53 can also play a certain liquid plugging role, the mounting hole 54 is arranged for installing a sealing rubber ring, which can effectively play a water leakage role, and the insertion slot 55 is arranged for installing the liquid outlet valve assembly 4.

[0040] In a specific embodiment, as shown in Figure 3The drain valve assembly 4 comprises a pressure spring connecting groove 41, a valve seat 42, a valve piece 43, a connecting shell 44 and a columnar connecting block 45. The columnar connecting block 45 is arranged on the top of the connecting shell 44. The pressure spring connecting groove 41 is arranged on the surface of one end of the columnar connecting block 45. A plurality of hole grooves are arranged on the side wall of the connecting shell 44. The valve seat 42 is inserted into the bottom of the connecting shell 44. The valve piece 43 is drivingly connected in the valve seat 42. The valve spring 2 is arranged between the columnar connecting block 45 and the valve piece 43. The pressure spring connecting groove 41 is used for arranging the pressure spring 3. The other end of the pressure spring 3 is arranged in the small hole arranged in the round hole of the drain shell 7. The small hole and the pressure spring connecting groove 41 are used for limiting the pressure spring 3. The purpose of arranging the pressure spring 3 is to prevent the displacement of the drain valve assembly 4 when the liquid pressure is too large. When the liquid pressure is too large, the pressure spring 3 is compressed. When there is no liquid pressure, the pressure spring 3 can drive the drain valve assembly 4 to reset. The valve seat 42 is used for allowing the displacement of the valve piece 43 and cooperating with the valve spring 2 to reset the valve piece 43. For the pressure spring 3, another arrangement mode is that the pressure spring 3 is arranged in a compressed state when the drain shell 7 is arranged. After the drain shell 7 is arranged, the drain valve assembly 4 is pressed in the drain valve adapter 5 by the elastic effect of the pressure spring 3.

[0041] In a specific embodiment, as shown in Figure 4 A plurality of installation grooves 421 are arranged on the outer side wall of the valve seat 42. An O-ring 46 is arranged in the installation groove 421. The installation groove 421 is arranged for arranging the O-ring 46. The other end surface of the O-ring 46 abuts against the side wall of the insertion groove 55 to achieve the water blocking effect.

[0042] In a specific embodiment, as shown in Figure 5 A rubber ring layer 431 is arranged on the outer surface of the valve piece 43. The rubber ring layer 431 is arranged for preventing the liquid from flowing out from between the valve piece 43 and the valve seat 42 when the valve piece 43 is not slid open.

[0043] In a specific embodiment, as shown in Figure 6 A circular groove 47 is arranged in the columnar connecting block 45. The circular groove 47 is arranged below the pressure spring connecting groove 41. One end of the valve spring 2 is arranged in the circular groove 47. The circular groove 47 is used for arranging the valve spring 2.

[0044] In a specific embodiment, as shown in Figure 7The drain valve adapter 5 and the liquid inlet valve assembly 1 are installed in the valve shell 8, the liquid outlet valve assembly 4 is inserted into the drain valve adapter 5 at the bottom end, the liquid outlet valve assembly 4 is arranged in the drain shell 7 at the upper end, and the pressure spring 3 is arranged in the drain shell 7. The buffer spring 6 is in a compressed state when the set is installed in the valve shell 8, so that the drain valve adapter 5 and the liquid inlet valve assembly 1 are limited, and water leakage is prevented. When the pressure difference between the inside and outside of the valve shell 8 is too large, the pressure will drive the liquid inlet valve assembly 1 to displace, and due to the pressure of the buffer spring 6, the liquid inlet valve assembly 1 is not easy to displace. Even if the liquid inlet valve assembly 1 is displaced, the buffer spring 6 can absorb part of the pressure from the outside, has a buffering effect, and can improve the service life of the liquid inlet valve assembly 1.

[0045] In a specific embodiment, the drain valve adapter 5, the liquid inlet valve assembly 1 and the liquid outlet valve assembly 4 are made of ABS resin material. ABS resin has high strength, high toughness and excellent impact resistance, and can effectively absorb and disperse energy when subjected to external impact. When the cavitation phenomenon produces bubble collapse, it will release instantaneous high pressure and high temperature. ABS material can to some extent buffer this instantaneous impact force through its elastic deformation. Compared with some materials with high rigidity, it is like an elastic "shield" that can absorb part of the energy and reduce the direct damage to the material surface caused by bubble collapse, thereby reducing the degree of cavitation wear. ABS material has good chemical stability. In some liquid environments prone to cavitation, especially when the liquid contains certain chemicals, it can resist the erosion of chemicals to the material. If the material is chemically corroded, the surface will become rough and more prone to cavitation. The chemical stability of ABS helps to maintain the integrity of the material surface, indirectly reducing the possibility of cavitation wear.

[0046] Although the utility model has been described in detail above with general description and specific embodiments, some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the utility model, all belong to the scope of protection required by the utility model.

Claims

1. A new material's fluid inlet and outlet valve set kit, characterized by, It includes: Drain valve adapter (5), one end of the drain valve assembly (4) is inserted; Pressure spring (3), installed at one end of the drain valve assembly (4); Liquid inlet valve assembly (1), the same structure as the drain valve assembly (4), the drain valve assembly (4) and the liquid inlet valve assembly (1) are installed with valve spring (2) inside; Buffer spring (6), installed between the liquid inlet valve assembly (1) and the drain valve adapter (5).

2. The new material's fluid inlet and outlet valve set kit according to claim 1, characterized in that, The drain valve adapter (5) includes: Cylinder (52), with a slot (55) inside; Flow guide hole (51), provided in the cylinder (52), the flow guide hole (51) is arranged below the slot (55); Limiting ring (53), sleeved outside the cylinder (52); Several mounting holes (54) are provided on the outer surface of the cylinder (52).

3. The new material's fluid inlet and outlet valve set kit according to claim 1, characterized in that, The drain valve assembly (4) includes: Connecting shell (44), the top of which is provided with a columnar connecting block (45), one end of the columnar connecting block (45) is provided with a pressure spring connecting groove (41), and a plurality of hole grooves are provided on the side wall of the connecting shell (44); Valve seat (42), inserted into the bottom of the connecting shell (44); Valve piece (43), drivingly connected in the valve seat (42), the valve spring (2) is installed between the columnar connecting block (45) and the valve piece (43).

4. The new material's fluid inlet and outlet valve set kit according to claim 3, characterized in that, Several installation grooves (421) are provided on the outer side wall of the valve seat (42), and an O-ring (46) is installed in the installation groove (421).

5. The new material's fluid inlet and outlet valve set kit according to claim 3, characterized in that, The valve piece (43) is provided with a rubber ring layer (431) on the outer surface.

6. The new material's fluid inlet and outlet valve set kit according to claim 3, wherein, The columnar connecting block (45) is internally provided with a circular groove (47), and the circular groove (47) is arranged below the pressure spring connecting groove (41), and one end of the valve spring (2) is arranged in the circular groove (47).

7. The new material priming and dispensing valve kit of claim 1, wherein, The drain valve adapter (5) and the liquid inlet valve assembly (1) are installed in the valve shell (8), the bottom end of the drain valve assembly (4) is inserted into the drain valve adapter (5), the upper end of the drain valve assembly (4) is arranged in the drain shell (7), and one end of the pressure spring (3) is installed in the drain shell (7).

8. The new material priming and dispensing valve kit of claim 1, wherein, The drain valve adapter (5), the liquid inlet valve assembly (1) and the drain valve assembly (4) are made of ABS resin material.

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